Showing the changes to java/pkg/sun/security/pkcs11/P11KeyFactory.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.security.pkcs11; | |
| 27 | + | |
| 28 | +import java.security.*; | |
| 29 | +import java.security.spec.*; | |
| 30 | + | |
| 31 | +import sun.security.pkcs11.wrapper.PKCS11Exception; | |
| 32 | +import static sun.security.pkcs11.wrapper.PKCS11Constants.*; | |
| 33 | + | |
| 34 | +/** | |
| 35 | + * KeyFactory base class. Provides common infrastructure for the RSA, DSA, | |
| 36 | + * and DH implementations. | |
| 37 | + * | |
| 38 | + * The subclasses support conversion between keys and keyspecs | |
| 39 | + * using X.509, PKCS#8, and their individual algorithm specific formats, | |
| 40 | + * assuming keys are extractable. | |
| 41 | + * | |
| 42 | + * @author Andreas Sterbenz | |
| 43 | + * @since 1.5 | |
| 44 | + */ | |
| 45 | +abstract class P11KeyFactory extends KeyFactorySpi { | |
| 46 | + | |
| 47 | + // token instance | |
| 48 | + final Token token; | |
| 49 | + | |
| 50 | + // algorithm name, currently one of RSA, DSA, DH | |
| 51 | + final String algorithm; | |
| 52 | + | |
| 53 | + P11KeyFactory(Token token, String algorithm) { | |
| 54 | + super(); | |
| 55 | + this.token = token; | |
| 56 | + this.algorithm = algorithm; | |
| 57 | + } | |
| 58 | + | |
| 59 | + /** | |
| 60 | + * Convert an arbitrary key of algorithm into a P11Key of token. | |
| 61 | + * Used by P11Signature.init() and RSACipher.init(). | |
| 62 | + */ | |
| 63 | + static P11Key convertKey(Token token, Key key, String algorithm) | |
| 64 | + throws InvalidKeyException { | |
| 65 | + return (P11Key)token.getKeyFactory(algorithm).engineTranslateKey(key); | |
| 66 | + } | |
| 67 | + | |
| 68 | + // see JCA spec | |
| 69 | + protected final <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec) | |
| 70 | + throws InvalidKeySpecException { | |
| 71 | + token.ensureValid(); | |
| 72 | + if ((key == null) || (keySpec == null)) { | |
| 73 | + throw new InvalidKeySpecException | |
| 74 | + ("key and keySpec must not be null"); | |
| 75 | + } | |
| 76 | + // delegate to our Java based providers for PKCS#8 and X.509 | |
| 77 | + if (PKCS8EncodedKeySpec.class.isAssignableFrom(keySpec) | |
| 78 | + || X509EncodedKeySpec.class.isAssignableFrom(keySpec)) { | |
| 79 | + try { | |
| 80 | + return (T)implGetSoftwareFactory().getKeySpec(key, keySpec); | |
| 81 | + } catch (GeneralSecurityException e) { | |
| 82 | + throw new InvalidKeySpecException("Could not encode key", e); | |
| 83 | + } | |
| 84 | + } | |
| 85 | + // first translate into a key of this token, if it is not already | |
| 86 | + P11Key p11Key; | |
| 87 | + try { | |
| 88 | + p11Key = (P11Key)engineTranslateKey(key); | |
| 89 | + } catch (InvalidKeyException e) { | |
| 90 | + throw new InvalidKeySpecException("Could not convert key", e); | |
| 91 | + } | |
| 92 | + Session[] session = new Session[1]; | |
| 93 | + try { | |
| 94 | + if (p11Key.isPublic()) { | |
| 95 | + return (T)implGetPublicKeySpec(p11Key, keySpec, session); | |
| 96 | + } else { | |
| 97 | + return (T)implGetPrivateKeySpec(p11Key, keySpec, session); | |
| 98 | + } | |
| 99 | + } catch (PKCS11Exception e) { | |
| 100 | + throw new InvalidKeySpecException("Could not generate KeySpec", e); | |
| 101 | + } finally { | |
| 102 | + session[0] = token.releaseSession(session[0]); | |
| 103 | + } | |
| 104 | + } | |
| 105 | + | |
| 106 | + // see JCA spec | |
| 107 | + protected final Key engineTranslateKey(Key key) throws InvalidKeyException { | |
| 108 | + token.ensureValid(); | |
| 109 | + if (key == null) { | |
| 110 | + throw new InvalidKeyException("Key must not be null"); | |
| 111 | + } | |
| 112 | + if (key.getAlgorithm().equals(this.algorithm) == false) { | |
| 113 | + throw new InvalidKeyException | |
| 114 | + ("Key algorithm must be " + algorithm); | |
| 115 | + } | |
| 116 | + if (key instanceof P11Key) { | |
| 117 | + P11Key p11Key = (P11Key)key; | |
| 118 | + if (p11Key.token == token) { | |
| 119 | + // already a key of this token, no need to translate | |
| 120 | + return key; | |
| 121 | + } | |
| 122 | + } | |
| 123 | + P11Key p11Key = token.privateCache.get(key); | |
| 124 | + if (p11Key != null) { | |
| 125 | + return p11Key; | |
| 126 | + } | |
| 127 | + if (key instanceof PublicKey) { | |
| 128 | + PublicKey publicKey = implTranslatePublicKey((PublicKey)key); | |
| 129 | + token.privateCache.put(key, (P11Key)publicKey); | |
| 130 | + return publicKey; | |
| 131 | + } else if (key instanceof PrivateKey) { | |
| 132 | + PrivateKey privateKey = implTranslatePrivateKey((PrivateKey)key); | |
| 133 | + token.privateCache.put(key, (P11Key)privateKey); | |
| 134 | + return privateKey; | |
| 135 | + } else { | |
| 136 | + throw new InvalidKeyException | |
| 137 | + ("Key must be instance of PublicKey or PrivateKey"); | |
| 138 | + } | |
| 139 | + } | |
| 140 | + | |
| 141 | + abstract KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, | |
| 142 | + Session[] session) throws PKCS11Exception, InvalidKeySpecException; | |
| 143 | + | |
| 144 | + abstract KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, | |
| 145 | + Session[] session) throws PKCS11Exception, InvalidKeySpecException; | |
| 146 | + | |
| 147 | + abstract PublicKey implTranslatePublicKey(PublicKey key) | |
| 148 | + throws InvalidKeyException; | |
| 149 | + | |
| 150 | + abstract PrivateKey implTranslatePrivateKey(PrivateKey key) | |
| 151 | + throws InvalidKeyException; | |
| 152 | + | |
| 153 | + abstract KeyFactory implGetSoftwareFactory() throws GeneralSecurityException; | |
| 154 | + | |
| 155 | +} | |